Finding the Fourth Proportional to 7,781,563,579.92, 11,673,062,921.52 and 2,541,199,254.48
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Solution
The fourth proportional to 7,781,563,579.92, 11,673,062,921.52 and 2,541,199,254.48 is: 3,812,033,210.16
Step by Step Solution
- Step 1: Write the proportion equation
7,781,563,579.92 : 11,673,062,921.52 = 2,541,199,254.48 : x - Step 2: Convert to fraction form
7,781,563,579.92/11,673,062,921.52 = 2,541,199,254.48/x - Step 3: Cross multiply
7,781,563,579.92x = 11,673,062,921.52 × 2,541,199,254.48 - Step 4: Simplify right side
7,781,563,579.92x = 29,663,578,793,664,757,760 - Step 5: Solve for x
x = 29,663,578,793,664,757,760/7,781,563,579.92 - Step 6: Final answer
x = 3,812,033,210.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.